Drop all the virt-who bits

[ptoscano]

virt-who now uses GitHub Actions for CI, so all the downstream jobs are no more needed.

[github-actions]

MegaLinter status: ✅ SUCCESS

Descriptor	Linter	Files	Fixed	Errors	Elapsed time
✅ BASH	shfmt	5		0	0.01s
✅ GROOVY	npm-groovy-lint	25		0	19.02s
✅ PYTHON	pylint	1		0	1.13s

See errors details in artifact MegaLinter reports on CI Job page

You could have the same capabilities but better runtime performances if you use a MegaLinter flavor:

• megalinter/megalinter/flavors/[email protected] (49 linters)